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- /*
- * UCS-4-SWAPPED = UCS-4-INTERNAL with inverted endianness
- */
-
- static int
- ucs4swapped_mbtowc (conv_t conv, wchar_t *pwc, const unsigned char *s, int n)
- {
- /* This function assumes that 'unsigned int' has exactly 32 bits. */
- if (sizeof(unsigned int) != 4) abort();
-
- if (n >= 4) {
- unsigned int x = *(const unsigned int *)s;
- x = (x >> 24) | ((x >> 8) & 0xff00) | ((x & 0xff00) << 8) | (x << 24);
- *pwc = x;
- return 4;
- }
- return RET_TOOFEW(0);
- }
-
- static int
- ucs4swapped_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n)
- {
- /* This function assumes that 'unsigned int' has exactly 32 bits. */
- if (sizeof(unsigned int) != 4) abort();
-
- if (n >= 4) {
- unsigned int x = wc;
- x = (x >> 24) | ((x >> 8) & 0xff00) | ((x & 0xff00) << 8) | (x << 24);
- *(unsigned int *)r = x;
- return 4;
- } else
- return RET_TOOSMALL;
- }
-